Update deprecated gitpod commands (#7771)

Author: NotMyFault

.gitpod.yml

@@ -4,7 +4,7 @@ tasks:
     command: |
       mvn -pl war jetty:run -Dhost=0.0.0.0
     name: Run
-  - command: gp await-port 8080 && gp url 8080 && gp preview $(gp url 8080)/jenkins/
+  - command: gp ports await 8080 && gp url 8080 && gp preview $(gp url 8080)/jenkins/
     name: Preview
 
 github: